Cloud computing data security issues-paper代写

留学生paper代写精选范文：“Cloud computing data security issues”，这篇论文讨论了云计算数据安全问题。如今，虽然云计算已经广泛应用起来了，但它的安全问题也逐渐暴露出来。在云计算数据的传输过程中，数据极有可能会被窃取；还有在云端储存的数据，也要可能会被黑客盗取。这些安全问题，都是如今急需解决的问题，需要技术和管理双方的努力才能取得成功。

In cloud computing, because the user is in the cloud, so users of their data did not fully control the data storage capacity, then the security of user data has been out of the control of its owner. This safety and security of cloud service providers offer CSP put forward higher requirements, must be able to allow users to be trusted environment data in the cloud with good security and integrity.

Under normal circumstances, the data content users are involved in some of the private information of the user, under the cloud computing model, users use the network to transmit data to the cloud computing service providers Department for processing, we need to face the questions: (1) the user data transmission in the process of how we can ensure that the data will not be stolen and destroyed; (2) how to ensure that data is not leaked service providers; (3 ) how to ensure that the data is legitimate and secure access.

Under the cloud computing model, cloud computing service providers on the basis of a large number of highly integrated storage space on the need to open up storage space available to users. But there is a cloud computing on the data storage has a strong unknown, making cloud computing data storage security is threatened. While under cloud data storage resources shared environment, is not limited by encrypting it is possible to ensure isolation between the respective data.

In practice, in order to effectively ensure the accuracy and validity of data usually introduced third-party certification body in a cloud computing environment for data interrogation. Cloud computing service providers need while ensuring the safety and accuracy of the data, and provide the necessary technical support, so as to better enable third party data audits. In the process of using third-party auditing firms must be able to ensure valid data at the same time not harm the interests of other users. Meanwhile audit institutions also need to ensure that the user's sensitive data does not leak.

Through a trusted computing environment to protect the premise of cloud computing is to define a trusted computing base, and then through the Trusted Computing Base to serve on top of software for management and control, its structure is equipped with a hardware module on trusted computing hardware. Carried out by the Trusted Computing Module for the highest privilege level software validation, and process the highest privilege level software is running cannot be changed, and then to upper management and monitoring of software services through this software. In the current, mainly related systems of Overshadow and VMware Cloud Visor.

Data encryption storage. When selecting an encryption algorithm in the cloud, it is necessary to select a higher performance encrypted symmetric encryption algorithm, such as AES, 3DES and the like. At the time of encryption key management, key management and user should use centralized distribution mechanism to a more efficient and secure management and maintenance of user information this way. Cloud computing data storage, storage of data needs to be encrypted by encryption services to prevent illegal access to the data by others to decipher this way. If a virtual machine, and other services, the user is required to encrypt important data before uploading and storage.

Encrypted transmission data. Encrypting the data transmission can be implemented at the link layer, network layer, transport layer level, the network to transmit such information to a cloud computing data confidentiality, integrity and availability of the network transmission encryption. It can be calculated within the system maintenance and management for the cloud through SSH, SSL and other ways to build an effective channel data encryption, so that maintenance and management of information security is guaranteed. For encrypted transmission of user data, may be transmitted such that the network security of user data can be improved by IPSec VPN, SSL VPN and other technologies.

In access control, authentication technology use was more, and authentication technology is also an important measure to ensure effective data security, accuracy and integrity. Permissions authentication implemented on the basis of control, enables real-time status monitoring, and certification authority certificate check. To control illegal unauthorized access this way. Such as the default "deny all" access control policy, only in the event of a data access requirements of the time will open the corresponding dominant port or open the corresponding Fan Wen strategy. In the current common authentication technology is mainly PIK technology, matrix card technology, one-time password technologies.

The data in the cloud are basically reside in a shared environment, and therefore must be the owner of the data on who has the power to use the data and use the data to do what Full control. And to make these data can be controlled in the cloud, you need to have built on the basis of heterogeneous data on a standard method of security is very important. So that it can make data security guarantees from the above systems and applications.

Of cloud computing since its birth, data security has been widespread concern. Just, so cloud service providers need to improve their management techniques are difficult for the user's data problems completely resolved by internal personnel to various risks may bring prevention as much as possible. To ensure effective cloud computing security and data management technology will need both ways at the same time efforts.

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